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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 9201. |
QRS is related to [BHU 1985; CPMT 1994] |
| A. | Ventricular contraction |
| B. | Auricular contraction |
| C. | Cardiac cycle |
| D. | Auricular relaxation |
| Answer» B. Auricular contraction | |
| 9202. |
Kidney dialysis machine was invented by |
| A. | Willem Kolff |
| B. | Willem Einthoven |
| C. | Willhelm Roentgen |
| D. | Rene Laennac |
| Answer» B. Willem Einthoven | |
| 9203. |
What is the percentage of carbon dioxide in the mixture of \[{{O}_{2}}\]and \[C{{O}_{2}}\] used in oxygenators |
| A. | 15-20 |
| B. | 42278 |
| C. | 44474 |
| D. | 44318 |
| Answer» E. | |
| 9204. |
Oxygenator is used in the oxygenation of blood during |
| A. | Brain surgery |
| B. | Kidney surgery |
| C. | Bypass surgery of heart |
| D. | Open heart surgery |
| Answer» E. | |
| 9205. |
The first open heart surgery was performed in |
| A. | 1945 |
| B. | 1953 |
| C. | 1967 |
| D. | 1976 |
| Answer» C. 1967 | |
| 9206. |
Artificial arteries are made of |
| A. | Rubber |
| B. | Dacron |
| C. | Teflon |
| D. | Both b and c |
| Answer» E. | |
| 9207. |
Which type of the following heart valves are generally damaged |
| A. | Tricuspid valve |
| B. | Eustachian valve |
| C. | Bicuspid valve |
| D. | Aortic semilunar valves |
| Answer» E. | |
| 9208. |
Intra-aortic balloon pump is deflated during |
| A. | Diastole |
| B. | Systole |
| C. | Both of these |
| D. | None of these |
| Answer» C. Both of these | |
| 9209. |
Which of the following devices is used to help the heart in pumping blood |
| A. | Artificial valves |
| B. | Lasers |
| C. | Intra-aortic balloon pump |
| D. | Pacemaker |
| Answer» D. Pacemaker | |
| 9210. |
First heart transplant was performed by [MP PMT 1990] |
| A. | William Harvey |
| B. | Christiaan Barnard |
| C. | Har Govind Khorana |
| D. | Walton Lillehel |
| Answer» C. Har Govind Khorana | |
| 9211. |
The structure which remains unchanged during metamorphosis of frog's tadpole is [AIIMS 1998] |
| A. | Lung |
| B. | Heart |
| C. | Intestine |
| D. | Nervous system |
| Answer» C. Intestine | |
| 9212. |
Jelly layer of frog is |
| A. | Primary membrane |
| B. | Secondary membrane |
| C. | Secreted by the egg |
| D. | Tertiary membrane |
| Answer» E. | |
| 9213. |
Which of the drug inhibits metamorphosis in frog. [AIIMS 1988] |
| A. | Paracetamol |
| B. | Penicillin |
| C. | Thiourea |
| D. | Barbiturates |
| Answer» D. Barbiturates | |
| 9214. |
A phenomenon is termed parthenogenesis when [CBSE PMT 1990] |
| A. | Artificial fertilization occurs |
| B. | Egg is fertilized by a sperm |
| C. | Egg undergoes cleavage without fertilization |
| D. | Sperm dies before fertilization |
| Answer» D. Sperm dies before fertilization | |
| 9215. |
On removing the thyroid from the tadpole, it will [CPMT 1975] |
| A. | Die immediately |
| B. | Will grow into giant frog |
| C. | Remain as tadpole |
| D. | Grow into small frog |
| Answer» D. Grow into small frog | |
| 9216. |
Which of the following is a good example of metamorphosis [CPMT 1981] |
| A. | Reduction of tail to coccyx in man |
| B. | Hatching of a caterpillar from the egg of a butterfly |
| C. | Regeneration of broken tail in lizards |
| D. | Development of eye in frog |
| Answer» C. Regeneration of broken tail in lizards | |
| 9217. |
Grey crescent is present in [KCET 2000] |
| A. | Fertilized egg of frog |
| B. | Brain of rabbit |
| C. | Retina of cockroach |
| D. | Eye of frog |
| Answer» B. Brain of rabbit | |
| 9218. |
Insect metamorphosis having larval stage is called [AFMC 1994] |
| A. | Retrogressive metamorphosis |
| B. | Complete metamorphosis |
| C. | Incomplete metamorphosis |
| D. | Heteromorphosis |
| Answer» C. Incomplete metamorphosis | |
| 9219. |
Fertilization is external in [MP PMT 1998] |
| A. | Lizards |
| B. | Rats |
| C. | Frogs |
| D. | Birds |
| Answer» D. Birds | |
| 9220. |
Blastula of frog is [Manipal 2005] |
| A. | Amphiblastula |
| B. | Coeloblastula |
| C. | Holoblastula |
| D. | Stereoblastula |
| Answer» C. Holoblastula | |
| 9221. |
Grey crescent is the area [CBSE PMT 2005] |
| A. | At the point of entry of sperm into ovum |
| B. | Just opposite to the site of entry of sperm into ovum |
| C. | At the animal pole |
| D. | At the vegetal pole |
| Answer» C. At the animal pole | |
| 9222. |
Neoteny refers to [Kerala CET 2005] |
| A. | Development of gonads |
| B. | Pre-adult animal |
| C. | Metamorphosis |
| D. | Retention of Larval or embryonic trait in adult body |
| E. | Precocious development |
| Answer» E. Precocious development | |
| 9223. |
Third cleavage of frog?s development is [MH CET 2003] |
| A. | Equatorial |
| B. | Vertical |
| C. | Latitudinal |
| D. | None of these |
| Answer» D. None of these | |
| 9224. |
Blastula of frog has [BHU 2004] |
| A. | Blastopore |
| B. | Blastocoel |
| C. | Archenteron |
| D. | Gastropore |
| Answer» C. Archenteron | |
| 9225. |
In the adult phase of frog which of the character become degenerate [AFMC 2003] |
| A. | Tail |
| B. | Legs |
| C. | Skin |
| D. | Eyes |
| Answer» B. Legs | |
| 9226. |
In the development of a frog, the gastrulation process involves [CPMT 2001] |
| A. | Epiboly |
| B. | Emboly |
| C. | Invagination |
| D. | All of these |
| Answer» E. | |
| 9227. |
Development of sexual reproductive organs in larval condition is known as |
| A. | Autogamy |
| B. | Isogamy |
| C. | Anisogamy |
| D. | Neoteny or paedogenesis |
| Answer» E. | |
| 9228. |
Ivory of the tooth is: |
| A. | enamel |
| B. | dentine |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» C. both [a] and [b] | |
| 9229. |
Ectodermal cells that secrete enamel of tooth is: (VMMC-Safdarjung 2006) |
| A. | osteoblast |
| B. | dontoblast |
| C. | ameloblast |
| D. | odontoblast |
| Answer» D. odontoblast | |
| 9230. |
Crown of tooth is covered by: (AFMC 2005) |
| A. | dentine |
| B. | enamel |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» C. both [a] and [b] | |
| 9231. |
A dental disease characterized by mottling of teeth is due to presence of a certain chemical element in drinking water. Which is that element? (BHU 2002) |
| A. | Boron |
| B. | Chlorine |
| C. | Fluorine |
| D. | Mercury |
| Answer» D. Mercury | |
| 9232. |
Tusks of walrus are modified: |
| A. | molars |
| B. | canines |
| C. | incisors |
| D. | premolars |
| Answer» C. incisors | |
| 9233. |
Tusk of an elephant is an enormously enlarged: (Orissa JEE 2002, 10; Chandigarh CET 2006) |
| A. | upper canine |
| B. | upper incisor |
| C. | lower incisor |
| D. | lower canine |
| Answer» C. lower incisor | |
| 9234. |
Which teeth in rabbit have open pulp cavity? |
| A. | Incisor |
| B. | Canine |
| C. | Molar |
| D. | Premolar |
| Answer» B. Canine | |
| 9235. |
Note the following: [a] Dentition is heterodont [b] Canines are poorly developed [c] Incisors are chisel-like and poorly developed [d] Herbivorous and diastema is present [e] The dental formula is i = 2/1, c = 0/0, pm = 3/2, m = 3/3 Which of the above are true for Oryctolagus? (EAMCET 2006) |
| A. | A, B and D |
| B. | A, D and E |
| C. | A, B, D and E |
| D. | C, D and E |
| Answer» C. A, B, D and E | |
| 9236. |
Type of teeth in rabbit: |
| A. | Acrodont |
| B. | Homodont |
| C. | Thecodont |
| D. | Pleurodont |
| Answer» D. Pleurodont | |
| 9237. |
Exposed part of the tooth forms: |
| A. | root |
| B. | neck |
| C. | crown |
| D. | dentine |
| Answer» D. dentine | |
| 9238. |
Rabbit has no canine teeth because it is: |
| A. | saprophyte |
| B. | herbivorous |
| C. | omnivorous |
| D. | carnivorous |
| Answer» C. omnivorous | |
| 9239. |
Teeth which are absent in rabbit: |
| A. | molars |
| B. | incisors |
| C. | canines |
| D. | premolars |
| Answer» D. premolars | |
| 9240. |
Number of teeth in one half of lower jaw of rabbit is: |
| A. | six |
| B. | eight |
| C. | five |
| D. | seven |
| Answer» B. eight | |
| 9241. |
Total number of incisor teeth in rabbit is: |
| A. | ten |
| B. | six |
| C. | four |
| D. | eight |
| Answer» C. four | |
| 9242. |
Diastema is: (Orissa JEE 2010) |
| A. | a type of tooth in rabbit |
| B. | structure in eye of rabbit |
| C. | a part of pelvic girdle in rabbit |
| D. | space in teeth lines in mammals |
| Answer» E. | |
| 9243. |
Diastema is associated with: (Har. PMT 2007) |
| A. | retinal cells |
| B. | organ of Corti |
| C. | absence of certain teeth |
| D. | presence of certain teeth |
| Answer» D. presence of certain teeth | |
| 9244. |
Dental formula of rabbit is: (CPMT 2007) |
| A. | \[\frac{2,\,0,\,3,\,3}{1,\,0,\,2,\,3}\] |
| B. | \[\frac{1,\,0,\,2,\,3}{2,\,2,\,0,\,3}\] |
| C. | \[\frac{1,\,0,\,3,\,3}{2,\,2,\,0,\,3}\] |
| D. | \[\frac{2,\,1,\,2,\,3}{2,\,1,\,2,\,3}\] |
| Answer» B. \[\frac{1,\,0,\,2,\,3}{2,\,2,\,0,\,3}\] | |
| 9245. |
Diastema is a toothless gap in the jaws of rabbit between: |
| A. | incisors and molars |
| B. | canines and molars |
| C. | premolars and molars |
| D. | incisors and premolars |
| Answer» E. | |
| 9246. |
If the dental formula of rabbit is 2, 0, 3, 3/1, 0, 2, 3, what does it show? (RPMT 2001) |
| A. | Total number of teeth in rabbit is 14 |
| B. | Number of total incisor in rabbit is 3 |
| C. | Diastema is present between incisors and premolars |
| D. | In the formula 2, 0, 3, 3 is for adult and 1, 0, 2, 3 is for young ones |
| Answer» D. In the formula 2, 0, 3, 3 is for adult and 1, 0, 2, 3 is for young ones | |
| 9247. |
False teeth are found in: |
| A. | birds |
| B. | reptiles |
| C. | cyclostomes |
| D. | amphibians |
| Answer» D. amphibians | |
| 9248. |
Teeth of rabbit are: (CPMT 2004; MPPMT 2005) |
| A. | thecodont |
| B. | heterodont |
| C. | diphyodont |
| D. | all of these |
| Answer» E. | |
| 9249. |
Which of the following has maximum number of teeth? |
| A. | Cat |
| B. | Opossum |
| C. | Man |
| D. | Squirrel |
| Answer» C. Man | |
| 9250. |
Dental formula of rat is: (DPMT 2004) |
| A. | \[\frac{2,\,1,\,2,\,3}{2,\,1,\,2,\,3}\] |
| B. | \[\frac{3,\,1,\,3,\,1}{3,\,1,\,3,\,1}\] |
| C. | \[\frac{1,\,0,\,0,\,3}{1,\,0,\,0,\,3}\] |
| D. | \[\frac{0,\,0,\,3,\,3}{3,\,1,\,3,\,3}\] |
| Answer» D. \[\frac{0,\,0,\,3,\,3}{3,\,1,\,3,\,3}\] | |